Rs485 Connector Mapping; Rs422/485 Connector Mapping; System-Bottom (Dip Switches) - Dell N01G Installation And Operation Manual

RS485 connector mapping

Pin
1
2
3
Manufacturer part number

RS422/485 connector mapping

Pin
1
2
3
4
5
Manufacturer part number
System—Bottom (DIP switches)
Feature
1 RS422/RS485 port toggle switch
2 RS422/RS485 port resistor switch
3 RS422/RS485 port bias resistor switch
4 ePSA diagnostic switch
10
Signal
A(-)
B(+)
GND
Molex 359530-5503
https://www.molex.com/
NOTE: This part number is for reference only and is
subjected to change.
Signal
TXA(-) / A(-)
TXB(+) / B(+)
GND
RXA(-)
RXB(+)
Molex 359530-5505
https://www.molex.com/
NOTE: This part number is for reference only and is
subjected to change.
Toggle between RS422 or RS485 standard.
Enable/disable the differential termination resistor.
Enable/disable the bias resistor for the RS422/RS485 port.
When the position of the switch changes, the system starts in ePSA
(Enhanced Preboot System Assessment) mode on the next start.